Re: CHAPI Playground's Latest Update - Verification Workflows

The authentication process is defined as the holder demonstrating control
over a DID by generating a digital signature using an authentication key
found in its DID Document over a challenge provided by the Verifier
Application.

It follows the same pattern found: here
<https://w3c-ccg.github.io/vp-request-spec/#did-authentication>

On Mon, Mar 13, 2023 at 8:19 AM Oliver Terbu <oliver.terbu@spruceid.com>
wrote:

> Can you also speak to the authentication process, ie, what is being
> authenticated and how?
>
> Asking because I’m interested in Holder Credential Binding.
>
> Thanks,
> Oliver
>
> On Fri 10. Mar 2023 at 22:55, Brian Richter <brian@aviary.tech> wrote:
>
>> Yes, every presentation on the verifier workflow is a
>> "VerifiablePresentation" with an authentication proof (including challenge)
>> coming from the wallet.
>>
>> Brian
>>
>> On Fri, Mar 10, 2023 at 1:16 PM Orie Steele <orie@transmute.industries>
>> wrote:
>>
>>> Can you talk about how the vc-api is useful or not useful, for
>>> implementers wishing to support these CHAPI flows?
>>>
>>> Specifically interested in the presentation to a verifier side.
>>>
>>> https://w3c-ccg.github.io/vc-api/#presenting
>>>
>>> Are any of the presentations in the CHAPI examples "authenticated" ?
>>>
>>> Or are they all "VerifiablePresentations" but without a "proof" ?
>>>
>>> Regards,
>>>
>>> OS
>>>
>>>
>>> On Fri, Mar 10, 2023 at 11:57 AM Ganesh Annan <gannan@digitalbazaar.com>
>>> wrote:
>>>
>>>> Announcement to the Community -- We're excited to announce the latest
>>>> update to the CHAPI Playground, which includes a new feature - Verification
>>>> Workflows You can now verify credentials presented from CHAPI-enabled
>>>> wallets.
>>>>
>>>> https://playground.chapi.io/verifier
>>>>
>>>> This feature is designed to help you test a complete lifecycle of a
>>>> Verifiable Credential.
>>>>
>>>> This is one of many updates that we're rolling out for the community in
>>>> the next few months. We will be adding support to the CHAPI Playground to
>>>> make it easy for others to add their verifier implementations – just like
>>>> the playground supports various issuer implementations today. We will
>>>> continue to add new Verifiable Credentials and make it easy for anyone to
>>>> contribute their own VC examples to be displayed on the site. Shortly, we
>>>> are planning to experiment with multiple types of protocols over CHAPI.
>>>> Stay tuned.
>>>>
>>>> If you have feature requests, please feel free to discuss them on this
>>>> mailing
>>>>
>>>> list or add them to:
>>>>
>>>> https://github.com/credential-handler/chapi.io/issues
>>>>
>>>> The team that put the CHAPI playground together is on the CCG and VC EDU
>>>>
>>>> mailing lists and are happy to answer any questions about current or
>>>> future
>>>>
>>>> functionality planned for the CHAPI Playground.
>>>>
>>>>
>>>> Instructions on using the new Verifier functionality is shown below for
>>>> those of you that would like to try it out:
>>>>
>>>> To start verifying VCs on the playground, please use the following
>>>> instructions:
>>>>
>>>> Wallet Sign Up
>>>>
>>>> 1. Sign up for any CHAPI-enabled digital wallet.
>>>>
>>>> For example, you could go to https://demo.vereswallet.dev/ and sign up:
>>>>
>>>> 2. Click "Get a Wallet".
>>>>
>>>> 3. Use an email address that you have access to. You can modify the
>>>> email address to create multiple accounts if you'd like:
>>>> myname+chapi@example.com (note the "+chapi" addition could have also
>>>> been "+2", "+3", and so on).
>>>>
>>>> 4. Make sure to "Allow" the wallet to handle credentials on your behalf.
>>>>
>>>> VC Issuance
>>>>
>>>> 1. Visit the playground by going to:
>>>>
>>>> https://playground.chapi.io/issuer
>>>>
>>>> 2. Click "Alumni" to load the alumni Verifiable Credential example into
>>>> the playground.
>>>>
>>>> 3. Click "Issue Verifiable Credential" and complete the issuance steps.
>>>>
>>>> VC Verification
>>>>
>>>> 1. Visit the playground's verifier:
>>>>
>>>> https://playground.chapi.io/verifier
>>>>
>>>> 2. Click "Alumni" to load the alumni credential request into the
>>>> playground.
>>>>
>>>> 3. Click "Request Verifiable Presentation" and complete the
>>>> verification steps.
>>>>
>>>>
>>>> Kind regards,
>>>>
>>>> Ganesh
>>>>
>>>>
>>>
>>> --
>>> *ORIE STEELE*
>>> Chief Technical Officer
>>> www.transmute.industries
>>>
>>> <https://www.transmute.industries>
>>>
>>